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3 votes
Solve each of the following quadratic equations.

a. x^2-8x+ 15 = 0

b. 2x^2 - 5x - 6 =0​

User Alin Faur
by
6.7k points

1 Answer

6 votes

Answer:


a. \: \: x = 3 \: \: and \: 5


b. \: \: x = (5± √(73) )/(4)

Explanation:


a. \: \: \: x^2-8x+ 15 = 0 \\ {x}^(2) - 5x - 3x + 15 = 0 \\ x(x - 5) - 3(x - 5) = 0 \\ (x - 3)(x - 5) = 0 \\ x = 3 \: and \: 5


b. \: \: 2x^2 - 5x - 6 =0 \\ x = (5± √(73) )/(4)

Hope it is helpful....

User Jaeyoung
by
5.6k points
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